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ISODUR® PBT

Technical Datasheet | Supplied by Sirmax

ISODUR® PBT by Sirmax is a water insoluble, odorless, semi-crystalline, anti-friction polybutylene terephthalate (PBT) grade. Possesses good hardness, stiffness, low hygroscopicity and high thermal stability. Exhibits abrasion-, stress cracking-, excellent chemical and heat resistance. Provides exceptional electrical properties, very good processability and dimensional stability under heat. Is suitable for processing by injection molding. ISODUR® PBT is recommended for automotive exterior and technical parts.

ISODUR® PBT Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.17 g/cm³

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Feed Zone Temperature

50 - 70 °C

Zone 1 Temperature

230 - 250 °C

Zone 2 Temperature

240 - 260 °C

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ISODUR® PBT

ISODUR® PBT Properties

Physical Properties

ISODUR® PBT Processing Guidelines

Injection Molding Properties